Phone · Samsung · Galaxy A23 (A235 2022)
Samsung Galaxy A23 (A235 2022) Water Damage Repair
Water Damage Repair guide for the Samsung Galaxy A23 (A235 2022)
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening picks
- Spudger
- Tweezers
- Heat gun or iOpener
- SIM eject tool
- Soft-bristled nylon brush
- Magnifying glass or headlamp
Parts / materials
- 99% Isopropyl alcohol
- Lint-free wipes
- Replacement back cover adhesive
Safety
- Disconnect the battery immediately upon exposure to prevent short-circuiting.
- Work in a well-ventilated area when using isopropyl alcohol.
- Wear protective eyewear while brushing board corrosion to avoid liquid splashes.
- Never apply heat directly to a swollen or damp lithium battery.
Overview
Step-by-step
- 1
Power off the device
1 minTurn off the Galaxy A23 immediately to prevent further electrical shorts.
- 2
Eject the SIM card tray
1 minInsert a SIM eject tool into the hole on the left edge and push to eject the tray.
- 3
Heat the back panel
3 minApply a warm heat gun or iOpener around the edges of the back cover for two minutes to soften the adhesive.
- 4
Slice the back cover adhesive
5 minInsert a plastic opening pick under the plastic back cover edge and slide around the perimeter to break the seal.
- 5
Remove the back panel
2 minGently lift the plastic rear panel off the frame and set it aside.
- 6
Unscrew the midframe
4 minRemove all 16 Phillips #00 screws holding the plastic midframe to the phone body.
- 7
Unclip the plastic midframe
3 minInsert a spudger into the seam between the display bezel and frame to pop out the inner midframe clips.
- 8
Disconnect the battery flex cable
1 minPry the battery connector straight up off the motherboard using a plastic spudger to cut power.
- 9
Disconnect the main display and sub-board cables
2 minUnsnap the flex connectors for the main interconnect cable and display from the lower end of the mainboard.
- 10
Remove the motherboard screw
1 minRemove the single Phillips screw securing the motherboard to the plastic housing.
- 11
Lift out the motherboard
2 minUse blunt tweezers to carefully pry up and lift the mainboard out of the frame.
- 12
Remove the speaker enclosure
2 minPry up the lower speaker assembly located at the bottom of the phone frame.
- 13
Extract the charging sub-board
2 minDisconnect the coaxial antenna cables and pry the charging port sub-board out of the bottom housing.
- 14
Scrub the motherboard with isopropyl alcohol
8 minSubmerge the motherboard in high-concentration isopropyl alcohol and gently scrub all liquid residue with a soft nylon brush.
- 15
Clean the charging sub-board
5 minBrush the charging port and sub-board components with 99% isopropyl alcohol to eliminate corrosion.
- 16
Inspect under magnification
4 minUse a magnifying glass to check for remaining corrosion or burnt solder joints under light reflection.
- 17
Dry all circuit components
15 minAllow the cleaned boards to air-dry completely on a lint-free towel for at least 15 minutes.
- 18
Reinstall the mainboard and sub-board
3 minPlace both circuit boards back into their frame recesses and tighten the motherboard retaining screw.
- 19
Reconnect internal ribbon cables
3 minReattach the interconnect flex, display flex, antenna cables, and snap the battery cable back onto its socket.
- 20
Snap and screw the midframe
4 minPress the plastic midframe into the chassis until it clicks, then reinstall all 16 Phillips screws.
After your Samsung Galaxy A23 (A235 2022) water damage repair
Power the Galaxy A23 (A235 2022) back on and test the water damage repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Samsung Galaxy A23 (A235 2022) job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Samsung Galaxy A23 (A235 2022) water damage repair at LML Repair in Seattle — same-day options available.

